50MHz J-Pole Antennapop
- Need a general purpose antenna on the magic band? The J-Pole is an easy-to-build and inexpensive device that provides an omni-directional vertically polarised antenna without the need for a ground plane. In technical terms, it is an end fed vertical1/2 wave which is fed via a 1/4 wave matching stub.
BiQuad Antenna for 144/440
- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
Vertical Antenna for 20 15 10 meters
- A small, multiband vertical which cover 20, 15, 10 meter amateur radio bands. This easy to build ham radio antenna could serve as an emergency or field day antenna.